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Engine Control System - DTC Diagnostics (1 Of 6)
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DTC Troubleshooting
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DTC Troubleshooting: P0037(3.0L Engine)
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DTC Troubleshooting: P0037(3.0L Engine): Overview
If the voltage level of the SO2HT terminal is ON (low voltage) while the PCM outputs OFF signal to the secondary HO2S (Sensor 2), the PCM determines an abnormality and stores the DTC.